//
//  Generics.h
//  08_HomeWork 08 - iOS9 新特性理解
//
//  Created by dllo on 16/7/13.
//  Copyright © 2016年 dllo. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface Generics<__contravariant ObjectType> : NSObject

@property (nonatomic, strong) ObjectType firstObject;
- (void)addObject:(ObjectType)object;
- (ObjectType)getObject;

- (__kindof NSArray *)returnArray;

@end
